Service difficulty report · Pca · Boeing 777222

Difficulty date
December 1, 2024
Submitted
December 5, 2024
Operation
Air carrier
Aircraft
N220UA
Make and model
Boeing 777222
Aircraft serial
30223
Aircraft time
87,465 hours, 11,188 cycles
Part
Pca
Condition
Faulted
Location
Nlg Steering
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

MAIN GEAR STEERING EICAS AND TAKEOFF CONFIG WARNING..RTO AT 30KT S REQUESTING MEL 3253A. APPROVED C/W MEL 3253A REVERSED MEL, PERFORMED STEERING TEST REF FIM 32-53 TASK 801, FOUND LT & RT MAIN STEERING NOT IN THE COMMAND POSITION, POSITIONED LOCKED LEVERS IN THE NORMAL POSITION, AFTER TEST MESSAGE CLEAR. FAULT CAME BACK ON TAXI OUT FOUND BOTH CYLINDERS SHOW IN LOCKED POSITION, AUTO EVENT SNAP SHOT SHOWS 4 AUTO EVENTS. SHOW LEFT MAIN GEAR STEERING CYLINDER AS "UNLOCKED". COMPLIED WITH MELCARD 3253A. *DM* MAINT MSG 32-63010 - RECOMMEND FIM 32-53 TASK 805 FOR T/S - RECOMMEND FOR SPECIAL ATTENTION ON WIRING CHKS PORTION OF FIM - ADDING MGSCU M32037 IF NEEDED - PCA M32163.